Air purifier



FIG. 1 is a right, front, and top perspective view of an air purifier showing our design.

FIG. 2 is a front elevational view of the air purifier in FIG. 1.

FIG. 3 is a rear elevational view of the air purifier in FIG. 1.

FIG. 4 is a left-side elevational view of the air purifier in FIG. 1.

FIG. 5 is a right-side elevational view of the air purifier in FIG. 1.

FIG. 6 is a top plan view of the air purifier in FIG. 1.

FIG. 7 is a bottom plan view of the air purifier in FIG. 1; and,

FIG. 8 is a partially enlarged view of the air purifier in FIG. 6.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the air purifier that form no part of the claimed design. 

CLAIM The ornamental design for an air purifier, as shown and described. 